Ornamental toothbrush



FIG. 1 is a side-elevational view of an ornamental toothbrush, showingmy new design;

FIG. 2 is a top-plan view thereof;

FIG. 3 is a bottom-plan view thereof;

FIG. 4 is a front-elevational view thereof; and

FIG. 5 is a rear-elevational view thereof.

The ornamental design for an ornamental toothbrush, as shown.